Merry Dam
Key Takeaway
Merry Dam is classified as low hazard in Washington. It was completed in 1976 and is 50 years old. Its primary use is recreation.
Physical Details
| Dam Length | 206 ft |
| Dam Type | Rockfill |
| Max Storage | 105 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 140 acres |
| Drainage Area | 30 sq mi |
| Max Discharge | 219 cfs |
| Year Completed | 1976 (50 years old) |
| NID ID | WA00374 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
WA DFW
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Merry Dam?
Merry Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Merry Dam?
Merry Dam is owned by WA DFW (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Merry Dam built?
Merry Dam was completed in 1976, making it 50 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Merry Dam?
Merry Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Merry Dam last inspected?
Merry Dam was last inspected on February 2, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.